Quantitative Aptitude - Arithmetic Ability Questions

If x = 1.1, then what is the value of 4x2 -4x + 1 ?

When a number is increased by 18, it becomes 106% of itself. What is the number?

What is the value of Tan 45° + 4/√3 Sec 60°?

x, y be two acute angles, x + y < 90° and sin(2x - 20°) = cos(2y + 20°), the value of tan(x + y) is

In a mixture, ink and water are in the ratio of 8 : 5. If 24 litres of water is added to the mixture, then the new ratio becomes 8 : 11. What is the total quantity (in litres) of water in the new mixture?

What is the simplified value of (cos4 A – sin4 A)?

If 13x2 = 172 - 92, find the value of x?

If P = 99, then the value of P(P2+ 3P + 3) is